Tire tread



FIG. 1 is a side perspective view of a tire tread showing our new design, it being understood that the tread pattern is repeated throughout the circumference of the tire tread;

FIG. 2 is a front perspective view thereof, the opposite side being identical thereto; and,

FIG. 3 is a side elevation view of the left side thereof, the right side elevation being identical thereto. 

CLAIM The ornamental design for a tire tread, as shown and described. 